auto save

diy.py

+with open(r'C:\Users\A16\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as sb:
+    a=sb.readlines()
+    l=[]     
+    for i in a:
+        k=0
+        m=i.split()
+        
+        for s in m[1:]:
+            k = k+int(s)
+        x=m[0]+str(k)+"\n"
+    l.append(x) 
+print(l)
+
+#with open(r'C:\Users\A16\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8')as sb:
+    #sb.withlines(f)
+